Cisco IOS XE up to 2.4.3/2.5.0 on ASR 1000 NAT Application Layer Gateway resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Cisco IOS XE up to 2.4.3/2.5.0 on ASR 1000. The affected element is an unknown function of the component NAT Application Layer Gateway. The manipulation leads to resource management. This vulnerability is documented as CVE-2015-6271. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Cisco IOS XE up to 2.4.3/2.5.0 on ASR 1000 (Router Operating System). This issue affects an unknown code of the component NAT Application Layer Gateway. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

Cisco IOS XE 2.1.0 through 2.4.3 and 2.5.0 on ASR 1000 devices, when NAT Application Layer Gateway is used, allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted SIP packet, aka Bug IDs CSCta74749 and CSCta77008.

The weakness was released 08/31/2015 as CSCta74749/CSCta77008 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2015-6271 since 08/17/2015. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (105966) and Vulnerability Center (SBV-52377†). Entries connected to this vulnerability are available at VDB-77502, VDB-77500 and VDB-77499. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/17/2015 🔍
08/31/2015 +14 days 🔍
08/31/2015 +0 days 🔍
08/31/2015 +0 days 🔍
09/01/2015 +1 days 🔍
09/01/2015 +0 days 🔍
06/13/2022 +2477 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCta74749/CSCta77008
Status: Confirmed

CVE: CVE-2015-6271 (🔍)
GCVE (CVE): GCVE-0-2015-6271
GCVE (VulDB): GCVE-100-77501
X-Force: 105966 - Cisco ASR 1000 Aggregation Services Routers SIP denial of service
SecurityTracker: 1033410
Vulnerability Center: 52377 - Cisco IOS XE 2.1 - 2.5 on ASR 1000 Remote DoS via Crafted SIP Packets, High

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 09/01/2015 10:12
Updated: 06/13/2022 19:47
Changes: 09/01/2015 10:12 (61), 11/20/2017 12:16 (1), 06/13/2022 19:47 (3)
Complete: 🔍
Cache ID: 216:92C:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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